[asan] Revert global check for non-AIX

[jakeegan]

287b24e moved the GetGlobalAddressInformation call earlier, but this broke a chromium test, so make this workaround for AIX only.

[github-actions]

✅ With the latest revision this PR passed the C/C++ code formatter.

[llvmbot]

@llvm/pr-subscribers-compiler-rt-sanitizer

Author: Jake Egan (jakeegan)

Changes

287b24e moved the GetGlobalAddressInformation call earlier, but this broke a chromium test, so make this workaround for AIX only.

---

Full diff: https://github.com/llvm/llvm-project/pull/149245.diff

1 Files Affected:

• (modified) compiler-rt/lib/asan/asan_descriptions.cpp (+9)

diff --git a/compiler-rt/lib/asan/asan_descriptions.cpp b/compiler-rt/lib/asan/asan_descriptions.cpp
index 0c30959b23e28..3d5cc28fab1ee 100644
--- a/compiler-rt/lib/asan/asan_descriptions.cpp
+++ b/compiler-rt/lib/asan/asan_descriptions.cpp
@@ -449,10 +449,12 @@ AddressDescription::AddressDescription(uptr addr, uptr access_size,
   // are put to the STACK region for unknown reasons. Check global first can
   // workaround this issue.
   // TODO: Look into whether there's a different solution to this problem.
+#if SANITIZER_AIX
   if (GetGlobalAddressInformation(addr, access_size, &data.global)) {
     data.kind = kAddressKindGlobal;
     return;
   }
+#endif
 
   if (GetHeapAddressInformation(addr, access_size, &data.heap)) {
     data.kind = kAddressKindHeap;
@@ -471,6 +473,13 @@ AddressDescription::AddressDescription(uptr addr, uptr access_size,
     return;
   }
 
+#if !SANITIZER_AIX
+  if (GetGlobalAddressInformation(addr, access_size, &data.global)) {
+    data.kind = kAddressKindGlobal;
+    return;
+  }
+#endif
+
   data.kind = kAddressKindWild;
   data.wild.addr = addr;
   data.wild.access_size = access_size;